2 // VariableStatement.cs: The AST representation of a VariableStatement.
5 // Cesar Octavio Lopez Nataren
7 // (C) 2003, Cesar Octavio Lopez Nataren, <cesar@ciencias.unam.mx>
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Collections;
35 namespace Microsoft.JScript {
37 internal class VariableStatement : AST, ICanModifyContext {
39 internal ArrayList var_decls;
41 internal VariableStatement (AST parent, Location location)
42 : base (parent, location)
44 var_decls = new ArrayList ();
48 internal void Add (VariableDeclaration varDecl)
50 var_decls.Add (varDecl);
54 public override string ToString ()
56 StringBuilder sb = new StringBuilder ();
58 foreach (VariableDeclaration var_decl in var_decls)
59 sb.Append (var_decl.ToString () + " ");
61 return sb.ToString ();
64 void ICanModifyContext.EmitDecls (EmitContext ec)
66 foreach (VariableDeclaration var_decl in var_decls)
67 ((ICanModifyContext) var_decl).EmitDecls (ec);
70 internal override void Emit (EmitContext ec)
72 int i, size = var_decls.Count;
74 for (i = 0; i < size; i++)
75 ((VariableDeclaration) var_decls [i]).Emit (ec);
78 void ICanModifyContext.PopulateContext (Environment env, string ns)
80 foreach (VariableDeclaration var_decl in var_decls)
81 ((ICanModifyContext) var_decl).PopulateContext (env, ns);
84 internal override bool Resolve (Environment env)
86 VariableDeclaration tmp_decl;
87 int n = var_decls.Count;
90 for (int i = 0; i < n; i++) {
91 tmp_decl = (VariableDeclaration) var_decls [i];
92 r &= tmp_decl.Resolve (env);